[1] Ctr Dis Control & Prevent, Enter Dis Epidemiol Branch, Div Foodborne Waterborne & Environm Dis, Natl Ctr Emerging Zoonot & Infect Dis, Atlanta, GA 30340 USA
[2] Ctr Dis Control & Prevent, Epidem Intelligence Serv Program Off Sci Educ & P, Div Appl Sci, Atlanta, GA 30340 USA
[3] Georgia Emerging Infect Program, Div Publ Hlth, Atlanta, GA USA
[4] Tennessee Dept Hlth, Nashville, TN USA
[5] Calif Dept Publ Hlth Infect Dis Branch, Richmond, CA USA
[6] Connecticut Emerging Infect Program, New Haven, CT USA
[7] Connecticut Emerging Infect Program, Hartford, CT USA
[8] Minnesota Dept Hlth, Minneapolis, MN USA
[9] New York State Dept Hlth, New York Emerging Infect Program, Albany, NY USA